DURABLE CARPET PROTECTION: This thick and sturdy plastic desk mat won't crack or shatter while protecting your office floor from damanging chair casters. OFM provides premium floor protection at an affordable price. EASY ROLL, ANTI SLIP: The textured wear resistant pvc chair mat allows your office chair to move easily without skidding PROMOTES ERGONOMICS: This home office floor mat promotes ergonomic posture by allowing you to roll between tasks